- Prefix
- C4:57:81 C4-57-81 C457.81
- Block type
- MA-L (16,777,216 addresses)
- Address range
- C4:57:81:00:00:00 – C4:57:81:FF:FF:FF
- Organization
- Wingtech Group (HongKong) Limited
- Registered address
- FLAT/RM 1903 19/F PODIUM PLAZA5HANOI ROAD TSIM SHA TSUIHong Kong, Hong Kong 999077, HK
- Country
- Hong Kong (HK)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up C4:57:81:00:00:00
Wingtech Group (HongKong）Limited holds 6 blocks in total: see all. Source: IEEE Registration Authority public listing.